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104 lines
3.3 KiB
Go
104 lines
3.3 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package csinode
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import (
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"context"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/validation/field"
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"k8s.io/apiserver/pkg/storage/names"
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"k8s.io/kubernetes/pkg/api/legacyscheme"
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"k8s.io/kubernetes/pkg/apis/storage"
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"k8s.io/kubernetes/pkg/apis/storage/validation"
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)
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// csiNodeStrategy implements behavior for CSINode objects
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type csiNodeStrategy struct {
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runtime.ObjectTyper
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names.NameGenerator
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}
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// Strategy is the default logic that applies when creating and updating
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// CSINode objects via the REST API.
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var Strategy = csiNodeStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
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func (csiNodeStrategy) NamespaceScoped() bool {
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return false
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}
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// PrepareForCreate clears fields that are not allowed to be set on creation.
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func (csiNodeStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
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}
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func (csiNodeStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
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csiNode := obj.(*storage.CSINode)
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// in 1.22, on create, set AllowLongNodeID=false
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// in 1.23, on create, set AllowLongNodeID=true
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validateOptions := validation.CSINodeValidationOptions{
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AllowLongNodeID: false,
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}
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errs := validation.ValidateCSINode(csiNode, validateOptions)
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return errs
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}
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// WarningsOnCreate returns warnings for the creation of the given object.
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func (csiNodeStrategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string { return nil }
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// Canonicalize normalizes the object after validation.
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func (csiNodeStrategy) Canonicalize(obj runtime.Object) {
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}
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func (csiNodeStrategy) AllowCreateOnUpdate() bool {
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return false
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}
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// PrepareForUpdate sets the driver's Allocatable fields that are not allowed to be set by an end user updating a CSINode.
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func (csiNodeStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
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}
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func (csiNodeStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
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newCSINodeObj := obj.(*storage.CSINode)
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oldCSINodeObj := old.(*storage.CSINode)
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// in 1.22 on update, set AllowLongNodeID to true only if the old object already has a long node ID
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// in 1.23 on update, set AllowLongNodeID=true
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allowLongNodeID := false
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for _, nodeDriver := range oldCSINodeObj.Spec.Drivers {
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if validation.CSINodeLongerID(nodeDriver.NodeID) {
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allowLongNodeID = true
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}
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}
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validateOptions := validation.CSINodeValidationOptions{
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AllowLongNodeID: allowLongNodeID,
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}
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errorList := validation.ValidateCSINode(newCSINodeObj, validateOptions)
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return append(errorList, validation.ValidateCSINodeUpdate(newCSINodeObj, oldCSINodeObj, validateOptions)...)
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}
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// WarningsOnUpdate returns warnings for the given update.
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func (csiNodeStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
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return nil
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}
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func (csiNodeStrategy) AllowUnconditionalUpdate() bool {
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return false
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}
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